ââ?¬Å?Subarachnoid Hemorrhage is non-traumatic nasty bleeding into the subarachnoid\narea, the territory between the arachnoid and the piamater of the\ncentral nervous system showing prompt developing signs of neurological sequelaeââ?¬Â.\nIt is one among the neurological emergencies which is a very distressing\ncerebrovascular disease with complicated mechanisms that risks brain\nperfusion and its function, having higher morbidity and mortality rates. Its\nmortality rate is still ranged between 8.3% and 66.7%, with noticeable regional\nvariations, beside recent advances in treatment approaches. The incidence of\nSAH among the population of 2 - 22.5/100,000 was reported with a minimum\nof 60% of aneurysm ruptures occurring amid ages of 40 and 60 years with 3:2\nmale:female ratio. The rupture risks for unruptured aneurysms are increased\nby the issues like present smokers, larger size of aneurysm, and amid young\npopulation. The surgical treatment decision should be contemplated upon\nfactors such as aneurysmââ?¬â?¢s size, aneurysmââ?¬â?¢s location, patientââ?¬â?¢s illness history,\nand surgeonââ?¬â?¢s operative experiences. Latest technical progresses in imaging\ntechniques, increased consideration of illness history, more awareness of incidences\nof aneurysms and use of micro neurosurgery, have raised the chance\nfor detection of subarachnoid hemorrhage (SAH) and possible better outcomes\nwith surgical management. Factors that may affect outcome include\nage, size and site of aneurysm, interval between ictus and surgery, CT Fisher\nGrade & Hunt and Hess Grading earlier to surgery, & Glasgow Coma Scale at\nthe while of discharge. The studies here support the wide spread concept that\nsurgical clipping of SAH for Hunt and Hess Grade 4, 5 SAH, which is also considered as poor Grade SAH stipulates an effective treatment if done earlier\nprovides better outcome.
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